used A small study on perf. 14x13½ values to 40a. including Officials, comprising "236" in concentric circles (4) including 3a. "golden yellow" with inverted watermark (very rare), some perf. faults, single-ring d.s. (22) illustrating the four different types/sub-types and including the rare Type A (4) and "bridge" type c.d.s. on Official values (10) to 50a.; also "BLÖNDUOS" on Official 5a. pair. Many good to fine strikes, a few adhesives with faults.